204142407 has 8 divisors (see below), whose sum is σ = 311074176. Its totient is φ = 116652792.

The previous prime is 204142391. The next prime is 204142423. The reversal of 204142407 is 704241402.

It is an interprime number because it is at equal distance from previous prime (204142391) and next prime (204142423).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204142407 - 2⁴ = 204142391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204142427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4860513 + ... + 4860554.

It is an arithmetic number, because the mean of its divisors is an integer number (38884272).

Almost surely, 2^204142407 is an apocalyptic number.

204142407 is a deficient number, since it is larger than the sum of its proper divisors (106931769).

204142407 is an equidigital number, since it uses as much as digits as its factorization.

204142407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721077.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 204142407 is about 14287.8412295210. The cubic root of 204142407 is about 588.8134796614.

Adding to 204142407 its reverse (704241402), we get a palindrome (908383809).

The spelling of 204142407 in words is "two hundred four million, one hundred forty-two thousand, four hundred seven".